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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Maxime Coquelin , Alexandre Torgue , Heiner Kallweit , Russell King , "Russell King (Oracle)" Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Yixun Lan , Longbin Li Subject: [PATCH v3 1/3] dt-bindings: net: sophgo,sg2044-dwmac: add phy mode restriction Date: Fri, 24 Oct 2025 09:55:22 +0800 Message-ID: <20251024015524.291013-2-inochiama@gmail.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251024015524.291013-1-inochiama@gmail.com> References: <20251024015524.291013-1-inochiama@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit As the ethernet controller of SG2044 and SG2042 only supports RGMII phy. Add phy-mode property to restrict the value. Also, since SG2042 has internal rx delay in its mac, make only "rgmii-txid" and "rgmii-id" valid for phy-mode. Signed-off-by: Inochi Amaoto --- .../bindings/net/sophgo,sg2044-dwmac.yaml | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml b/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml index ce21979a2d9a..0f1523dc0e36 100644 --- a/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml +++ b/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml @@ -52,6 +52,13 @@ properties: interrupt-names: maxItems: 1 + phy-mode: + enum: + - rgmii + - rgmii-rxid + - rgmii-txid + - rgmii-id + resets: maxItems: 1 @@ -70,6 +77,16 @@ required: allOf: - $ref: snps,dwmac.yaml# + - if: + properties: + compatible: + contains: + const: sophgo,sg2042-dwmac + then: + phy-mode: + enum: + - rgmii-txid + - rgmii-id unevaluatedProperties: false -- 2.51.1